'宣言 Public Class UltraListViewSubItem Inherits UltraListViewItemBase Implements Infragistics.Shared.IKeyedSubObject, Infragistics.Shared.IKeyedSubObjectEx
public class UltraListViewSubItem : UltraListViewItemBase, Infragistics.Shared.IKeyedSubObject, Infragistics.Shared.IKeyedSubObjectEx